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package com.sun.tools.xjc.generator.bean.field;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JMod;
import com.sun.codemodel.JPrimitiveType;
import com.sun.codemodel.JType;
import com.sun.codemodel.JVar;
import com.sun.tools.xjc.generator.bean.ClassOutlineImpl;
import com.sun.tools.xjc.model.CPropertyInfo;
import com.sun.tools.xjc.outline.FieldAccessor;
/**
* Realizes a property as a "public static final" property on the interface.
* This class can handle both boxed/unboxed types and both
* single/colllection.
*
* @author
* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
final class ConstField extends AbstractField {
// /**
// * Number of items in this property, when
// * {@link #isCollection}==true.
// */
// private final int count=1;
/** Generated constant property on the interface. */
private final JFieldVar $ref;
ConstField( ClassOutlineImpl outline, CPropertyInfo prop ) {
super(outline,prop);
// we only support value constraints for a single-value property.
assert !prop.isCollection();
JPrimitiveType ptype = implType.boxify().getPrimitiveType();
// generate the constant
JExpression defaultValue = null;
if(prop.defaultValue!=null)
defaultValue = prop.defaultValue.compute(outline.parent());
$ref = outline.ref.field(JMod.PUBLIC|JMod.STATIC|JMod.FINAL,
ptype!=null?ptype:implType, prop.getName(true), defaultValue );
$ref.javadoc().append(prop.javadoc);
annotate($ref);
}
public JType getRawType() {
// if( isCollection ) return getInfo().array();
return exposedType;
}
public FieldAccessor create(JExpression target) {
return new Accessor(target);
}
private class Accessor extends AbstractField.Accessor {
Accessor( JExpression $target ) {
super($target);
}
public void unsetValues( JBlock body ) {
; // can't unset values
}
public JExpression hasSetValue() {
return null; // can't generate the isSet/unset methods
}
public void toRawValue(JBlock block, JVar $var) {
// TODO: rethink abstraction. Those constant fields
// don't have "access" to them.
throw new UnsupportedOperationException();
}
public void fromRawValue(JBlock block, String uniqueName, JExpression $var) {
throw new UnsupportedOperationException();
}
}
}